Sd twins fan

first time poster: been following along time. Why trade dozier we know what he is about. He will bat 250-270 and hit 15-25 homers a year and play solid defense. Polanco is unknown. The best case scenario which is playing out is we are out of it September 1st, we bring polanco up and he plays 5 out of 7 days between short and 2nd. The front office was blasted for trading revere and span known commodities and giving hicks the starting job. Now everyone wants to do that again with polanco? How many 2nd baseman would you rather have than dozier? I can think of one really when you factor in salary and age and that is kipnis.